/*
 * Copyright (c) 2011 PonySDK
 *  Owners:
 *  Luciano Broussal  <luciano.broussal AT gmail.com>
 *	Mathieu Barbier   <mathieu.barbier AT gmail.com>
 *	Nicolas Ciaravola <nicolas.ciaravola.pro AT gmail.com>
 *  
 *  WebSite:
 *  http://code.google.com/p/pony-sdk/
 * 
 * Licensed under the Apache License, Version 2.0 (the "License"); you may not
 * use this file except in compliance with the License. You may obtain a copy of
 * the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
 * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
 * License for the specific language governing permissions and limitations under
 * the License.
 */

package com.ponysdk.ui.server.list.valueprovider;

import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

import com.ponysdk.impl.query.memory.FilteringTools;

public class BeanValueProvider<D, V> implements ValueProvider<D, V> {

    private final Logger log = LoggerFactory.getLogger(BeanValueProvider.class);

    private final String[] path;

    private final String pojoPropertyKey;

    public BeanValueProvider(String pojoPropertyKey) {
        this.pojoPropertyKey = pojoPropertyKey;
        this.path = pojoPropertyKey.split("\\.");
    }

    @SuppressWarnings("unchecked")
    @Override
    public V getValue(D data) {
        try {
            return (V) FilteringTools.getValue(data, path);
        } catch (final Exception e) {
            log.error("Cannot retrieve value from the pojo property name : " + pojoPropertyKey, e);
        }
        return null;
    }
}
